The cause is "aerobic exercise" and the effect is "more endurance". The word "gives" indicates that aerobic exercise causes something to happen.
Answer:
Their still growing, developing, and often play and hurt themselves in a way that adults don't.
Explanation:
Its got to be B because A is not right all the way and it doesn't provide feedback it would have to make the body do things.
I think the answer would be true
